Granted Patent
Utility
US 6,311,596 · App. 08/110,349
Cutting assembly for a cushioning conversion machine
Inventors:
Richard O. Ratzel, James A. Simmons
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Aug 20, 1993
Inventors
Richard O. Ratzel
James A. Simmons
Assignee (at issue)
Ranpak Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.